[geeklog-hg] [Geeklog-Core/geeklog] eace5a: Fixed E_NOTICE errors

[Kenji ITO]

  Branch: refs/heads/master
  Home:   https://github.com/Geeklog-Core/geeklog
  Commit: eace5a68699c58cac071f685432d0add72649f86
      https://github.com/Geeklog-Core/geeklog/commit/eace5a68699c58cac071f685432d0add72649f86
  Author: mystralkk <mystralkk at gmail.com>
  Date:   2020-05-14 (Thu, 14 May 2020)

  Changed paths:
    M plugins/recaptcha/config.php
    M plugins/recaptcha/install_defaults.php
    M system/lib-sessions.php

  Log Message:
  -----------
  Fixed E_NOTICE errors